interface/one/EDAnalyzerBase.h

0001 #ifndef FWCore_Framework_one_EDAnalyzerBase_h
0002 #define FWCore_Framework_one_EDAnalyzerBase_h
0003 // -*- C++ -*-
0004 //
0005 // Package:     FWCore/Framework
0006 // Class  :     one::EDAnalyzerBase
0007 //
0008 /**\class one::EDAnalyzerBase EDAnalyzerBase.h "FWCore/Framework/interface/one/EDAnalyzerBase.h"
0009
0010  Description: Base class for edm::one::EDAnalyzer<>
0011
0012  Usage:
0013     <usage>
0014
0015 */
0016 //
0017 // Original Author:  Chris Jones
0018 //         Created:  Thu, 01 Aug 2013 21:21:21 GMT
0019 //
0020
0021 // system include files
0022
0023 // user include files
0024 #include "FWCore/Framework/interface/EDConsumerBase.h"
0025 #include "FWCore/Framework/interface/Frameworkfwd.h"
0026 #include "FWCore/Framework/interface/SharedResourcesAcquirer.h"
0027 #include "DataFormats/Provenance/interface/ModuleDescription.h"
0028 #include "FWCore/ParameterSet/interface/ParameterSetfwd.h"
0029 #include "FWCore/Concurrency/interface/WaitingTaskHolder.h"
0030
0031 // forward declarations
0032 namespace edm {
0033
0034   class ModuleCallingContext;
0035   class PreallocationConfiguration;
0036   class ActivityRegistry;
0037   class ThinnedAssociationsHelper;
0038   class SignallingProductRegistryFiller;
0039
0040   namespace maker {
0041     template <typename T>
0042     class ModuleHolderT;
0043   }
0044
0045   namespace one {
0046
0047     class EDAnalyzerBase : public EDConsumerBase {
0048     public:
0049       template <typename T>
0050       friend class edm::WorkerT;
0051       template <typename T>
0052       friend class edm::maker::ModuleHolderT;
0053
0054       typedef EDAnalyzerBase ModuleType;
0055
0056       EDAnalyzerBase();
0057       ~EDAnalyzerBase() override;
0058
0059       static void fillDescriptions(ConfigurationDescriptions& descriptions);
0060       static void prevalidate(ConfigurationDescriptions& descriptions);
0061       static const std::string& baseType();
0062
0063       // Warning: the returned moduleDescription will be invalid during construction
0064       ModuleDescription const& moduleDescription() const { return moduleDescription_; }
0065
0066       virtual bool wantsProcessBlocks() const noexcept = 0;
0067       virtual bool wantsInputProcessBlocks() const noexcept = 0;
0068       virtual bool wantsGlobalRuns() const noexcept = 0;
0069       virtual bool wantsGlobalLuminosityBlocks() const noexcept = 0;
0070       bool wantsStreamRuns() const noexcept { return false; }
0071       bool wantsStreamLuminosityBlocks() const noexcept { return false; };
0072
0073       virtual SerialTaskQueue* globalRunsQueue();
0074       virtual SerialTaskQueue* globalLuminosityBlocksQueue();
0075       void callWhenNewProductsRegistered(std::function<void(ProductDescription const&)> const& func);
0076
0077     private:
0078       bool doEvent(EventTransitionInfo const&, ActivityRegistry*, ModuleCallingContext const*);
0079       //For now this is a placeholder
0080       /*virtual*/ void preActionBeforeRunEventAsync(WaitingTaskHolder,
0081                                                     ModuleCallingContext const&,
0082                                                     Principal const&) const noexcept {}
0083
0084       void doPreallocate(PreallocationConfiguration const&);
0085       virtual void preallocRuns(unsigned int);
0086       virtual void preallocLumis(unsigned int);
0087       void doBeginJob();
0088       void doEndJob();
0089
0090       void doBeginProcessBlock(ProcessBlockPrincipal const&, ModuleCallingContext const*);
0091       void doAccessInputProcessBlock(ProcessBlockPrincipal const&, ModuleCallingContext const*);
0092       void doEndProcessBlock(ProcessBlockPrincipal const&, ModuleCallingContext const*);
0093       void doBeginRun(RunTransitionInfo const&, ModuleCallingContext const*);
0094       void doEndRun(RunTransitionInfo const&, ModuleCallingContext const*);
0095       void doBeginLuminosityBlock(LumiTransitionInfo const&, ModuleCallingContext const*);
0096       void doEndLuminosityBlock(LumiTransitionInfo const&, ModuleCallingContext const*);
0097
0098       void doRespondToOpenInputFile(FileBlock const&) {}
0099       void doRespondToCloseInputFile(FileBlock const&) {}
0100       void doRespondToCloseOutputFile() { clearInputProcessBlockCaches(); }
0101       void doRegisterThinnedAssociations(ProductRegistry const&, ThinnedAssociationsHelper&) {}
0102
0103       void registerProductsAndCallbacks(EDAnalyzerBase const* module, SignallingProductRegistryFiller* reg);
0104       std::string workerType() const { return "WorkerT<EDAnalyzer>"; }
0105
0106       SharedResourcesAcquirer& sharedResourcesAcquirer() { return resourcesAcquirer_; }
0107
0108       virtual void analyze(Event const&, EventSetup const&) = 0;
0109       virtual void beginJob() {}
0110       virtual void endJob() {}
0111
0112       virtual void doBeginProcessBlock_(ProcessBlock const&);
0113       virtual void doAccessInputProcessBlock_(ProcessBlock const&);
0114       virtual void doEndProcessBlock_(ProcessBlock const&);
0115       virtual void doBeginRun_(Run const& rp, EventSetup const& c);
0116       virtual void doEndRun_(Run const& rp, EventSetup const& c);
0117       virtual void doBeginLuminosityBlock_(LuminosityBlock const& lbp, EventSetup const& c);
0118       virtual void doEndLuminosityBlock_(LuminosityBlock const& lbp, EventSetup const& c);
0119
0120       virtual void clearInputProcessBlockCaches();
0121
0122       bool hasAcquire() const noexcept { return false; }
0123       bool hasAccumulator() const noexcept { return false; }
0124
0125       virtual SharedResourcesAcquirer createAcquirer();
0126
0127       void setModuleDescription(ModuleDescription const& md) { moduleDescription_ = md; }
0128       ModuleDescription moduleDescription_;
0129       std::function<void(ProductDescription const&)> callWhenNewProductsRegistered_;
0130
0131       SharedResourcesAcquirer resourcesAcquirer_;
0132     };
0133   }  // namespace one
0134 }  // namespace edm
0135 #endif